Let's review the key value points
of z/OS Connect EE.
REST APIs enable data and
applications running in the
major z/OS subsystems: z/OS
Connect EE supports applications
and data running in CICS*, IMS*,
Db2* and MQ for z/OS, plus
provides integration points for
other z/OS system-based applications or products (see Figure
1, page 36). The strategy is to
allow z/OS applications and data
to participate in the hybrid cloud
and API economy the same as
any other platform. API consumers (i.e., hybrid cloud application
developers) can use APIs on z/OS
without needing z/OS skills.
Doesn't require back-end
application changes:
z/OS Connect EE is designed to
prevent back-end application
changes when defining REST
APIs. Utilities included in z/OS
Connect EE provide easy ways to
jump start API creation, and
z/OS Connect EE includes
mapping technology between the
callable APIs and back-end COBOL
or PL/I applications that insulates
the applications from needing
changes (see Figure 2, page 36).
Intuitive tool-driven creation of APIs: z/OS Connect EE's
Eclipse-based tooling is designed
to make the creation of APIs an
administrative process and not
to require programming. This
enhances the productivity of the
API designer by providing simple,
fill-in-the-blank definitions and
guided walk-through of API creation (see Figure 3, page 38).
Support of OpenAPI Specification (previously known
as Swagger) for developers
to easily learn how to use the
defined APIs: It's important
for developers as consumers of
APIs to be able to easily learn
the specifics about invoking
them. z/OS Connect EE supports
the open standard specification
known as OpenAPI Specification
(swagger.io/specification). The
z/OS Connect Eclipse tooling automatically creates the
description as APIs are defined
for z/OS applications and data.
This means that once APIs are
defined they are ready to be used
by hybrid cloud developers and
minimize the learning curve for
how to invoke the APIs.
Provides agile (dynamic)
API creation, simple testing
and easy deployment: z/OS
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ibmsystemsmag.com NOVEMBER/DECEMBER 2017 // 35

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